International Institute of Tropical AgricultureIDRC, Agriculture, Food and Nutrition Sciences Division2007-11-121985-04-012007-11-121985http://hdl.handle.net/10625/7055Text1 digital file (30 p. : ill.)enAGROFORESTRYAGRICULTURAL PROJECTSCULTIVATION SYSTEMSFOREST TREESTROPICAL ZONENIGERIAFIELD RESEARCHFARMINGINTERCROPPINGIDRC Final Report